Compass for angle trisection
The compass is created by connecting three similar inverse parallelograms.
Similar ratio is 2.
Numbering:
0 for the left first fixed prong,
1 for the next prong, ...
and 3 for the last prong,
A1 is angle between prong 1 and prong 0
A2 is angle between prong 2 and prong 0
A3 is angle between prong 3 and prong 0
The compass maintains relation: Ai = i.A1
i = 1 to 3
i.e.: A2 = 2.A1 ; A3 = 3.A1
Видео Compass for angle trisection канала thang010146
Similar ratio is 2.
Numbering:
0 for the left first fixed prong,
1 for the next prong, ...
and 3 for the last prong,
A1 is angle between prong 1 and prong 0
A2 is angle between prong 2 and prong 0
A3 is angle between prong 3 and prong 0
The compass maintains relation: Ai = i.A1
i = 1 to 3
i.e.: A2 = 2.A1 ; A3 = 3.A1
Видео Compass for angle trisection канала thang010146
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